Volcanic textures: a guide to the interpretation of textures in volcanic rocks. by J. McPhie [and others]Unknown authorOpen the Tome
A study into the mechanical properties of rock with special reference to their bearing on the occurrence of rockbursts [by] H.G. Denkhaus, A.J.A. Roux and C. GrobbelaarH. G Denkhaus · First published 1958Open the Tome
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